Norse legends come to life in this thrilling History Channel series depicting the life and times of Ragnar Lodbrok (Travis Fimmel), an 8th-century Viking chieftain. Flanked by his wife Lagertha (Katheryn Winnick) and brother Rollo (Clive Standen), Ragnar cuts a daring path through the medieval world, exploring land and sea to challenge the weak and confront the strong-raiding for plunder and battling back against treacheries from without... and within. Gabriel Byrne, Jessalyn Gilsig co-star.